Home / 681,040,227.24-1,021,560,354.36-163,470,667.68

Finding the Fourth Proportional to 681,040,227.24, 1,021,560,354.36 and 163,470,667.68

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Solution

The fourth proportional to 681,040,227.24, 1,021,560,354.36 and 163,470,667.68 is: 245,206,004.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,040,227.24 : 1,021,560,354.36 = 163,470,667.68 : x
  2. Step 2: Convert to fraction form
    681,040,227.24/1,021,560,354.36 = 163,470,667.68/x
  3. Step 3: Cross multiply
    681,040,227.24x = 1,021,560,354.36 × 163,470,667.68
  4. Step 4: Simplify right side
    681,040,227.24x = 166,995,153,202,646,624
  5. Step 5: Solve for x
    x = 166,995,153,202,646,624/681,040,227.24
  6. Step 6: Final answer
    x = 245,206,004.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.